/usr/include/clips/exprnpsr.h is in libclips-dev 6.24-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* "C" Language Integrated Production System */
/* */
/* CLIPS Version 6.24 06/05/06 */
/* */
/* EXPRESSION PARSER HEADER FILE */
/*******************************************************/
/*************************************************************/
/* Purpose: Provides routines for parsing expressions. */
/* */
/* Principal Programmer(s): */
/* Gary D. Riley */
/* */
/* Contributing Programmer(s): */
/* */
/* Revision History: */
/* */
/* 6.24: Renamed BOOLEAN macro type to intBool. */
/* */
/*************************************************************/
#ifndef _H_exprnpsr
#define _H_exprnpsr
#if (! RUN_TIME)
typedef struct saved_contexts
{
int rtn;
int brk;
struct saved_contexts *nxt;
} SAVED_CONTEXTS;
#endif
#ifndef _H_extnfunc
#include "extnfunc.h"
#endif
#ifndef _H_scanner
#include "scanner.h"
#endif
#ifdef LOCALE
#undef LOCALE
#endif
#ifdef _EXPRNPSR_SOURCE_
#define LOCALE
#else
#define LOCALE extern
#endif
#if ENVIRONMENT_API_ONLY
#define GetSequenceOperatorRecognition(theEnv) EnvGetSequenceOperatorRecognition(theEnv)
#define SetSequenceOperatorRecognition(theEnv,a) EnvSetSequenceOperatorRecognition(theEnv,a)
#else
#define GetSequenceOperatorRecognition() EnvGetSequenceOperatorRecognition(GetCurrentEnvironment())
#define SetSequenceOperatorRecognition(a) EnvSetSequenceOperatorRecognition(GetCurrentEnvironment(),a)
#endif
LOCALE struct expr *Function0Parse(void *,char *);
LOCALE struct expr *Function1Parse(void *,char *);
LOCALE struct expr *Function2Parse(void *,char *,char *);
LOCALE void PushRtnBrkContexts(void *);
LOCALE void PopRtnBrkContexts(void *);
LOCALE intBool ReplaceSequenceExpansionOps(void *,struct expr *,struct expr *,
void *,void *);
LOCALE struct expr *CollectArguments(void *,struct expr *,char *);
LOCALE struct expr *ArgumentParse(void *,char *,int *);
LOCALE struct expr *ParseAtomOrExpression(void *,char *,struct token *);
LOCALE EXPRESSION *ParseConstantArguments(void *,char *,int *);
LOCALE intBool EnvSetSequenceOperatorRecognition(void *,int);
LOCALE intBool EnvGetSequenceOperatorRecognition(void *);
LOCALE struct expr *GroupActions(void *,char *,struct token *,int,char *,int);
LOCALE struct expr *RemoveUnneededProgn(void *,struct expr *);
#if (! RUN_TIME)
LOCALE int CheckExpressionAgainstRestrictions(void *,struct expr *,char *,char *);
#endif
#endif
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